}
	if v != "" {
		t.Fatalf("should be nil")
	}

	if lc.Len() != 0 {
		t.Fatalf("length differs from expected")
	}
	if !reflect.DeepEqual(evicted, []string{"key1", "val1"}) {
		t.Fatalf("value differs from expected")
	}

	// add new entry
	lc.Add("key2", "val2")
	if lc.Len() != 1 {
		t.Fatalf("length differs from expected")
	}

	k, v, ok = lc.GetOldest()
	if k != "key2" {

                buf.append("null");
            }
            buf.append(", ");
        }
        buf.setLength(buf.length() - 2);
        return new String(buf);
    }

    private static String getSignature(final Class<?>... paramTypes) {
        if (paramTypes == null || paramTypes.length == 0) {
            return "";
        }
        final StringBuilder buf = new StringBuilder(100);

    AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);
  }

  protected abstract Set<AnEnum> create(AnEnum[] elements);

  @Override
  public AnEnum[] createArray(int length) {
    return new AnEnum[length];
  }

  /** Sorts the enums according to their natural ordering. */
  /*

        sb.append(dm).append(generator);
        sb.append(dm).append(path);
        sb.append(dm).append(target);
        sb.append(dm).append(thumbnailId);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());
        }
        sb.insert(0, "{").append("}");
        return sb.toString();
    }

    // ===================================================================================

  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {
    return putBytes(bytes, 0, bytes.length);
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes, int off, int len) {
    Preconditions.checkPositionIndexes(off, off + len, bytes.length);
    for (int i = 0; i < len; i++) {
      putByte(bytes[off + i]);
    }
    return this;
  }

  @Override

        assertArgumentNotNull("iterables", iterables);

        @SuppressWarnings("unchecked")
        final Iterator<E>[] iterators = new Iterator[iterables.length];
        for (int i = 0; i < iterables.length; ++i) {
            iterators[i] = iterables[i].iterator();
        }
        return iterable(iterators);
    }

    /**

     *
     * @param events the list of log notification events
     * @param maxDetailsLength the maximum length of the details string
     * @param maxDisplayEvents the maximum number of events to display
     * @param maxMessageLength the maximum length of each log message
     * @return the formatted details string with summary header and truncated entries
     */

    E[] array = collection.toArray(empty);
    assertEquals(
        "toArray(emptyT[]) should return an array of type T", empty.getClass(), array.getClass());
    assertEquals("toArray(emptyT[]).length:", getNumElements(), array.length);
    expectArrayContentsAnyOrder(createSamplesArray(), array);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testToArray_emptyArray_ordered() {

    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    assertTrue(Files.asByteSource(asciiFile).contentEquals(Files.asByteSource(asciiFile)));

    // 0-length files have special treatment (/proc, etc.)
    assertTrue(Files.equal(asciiFile, new BadLengthFile(asciiFile, 0)));
  }

        assertEquals(7, WitnessEventType.NODE_AVAILABLE.getValue());

        // Verify all values are unique
        for (int i = 0; i < events.length; i++) {
            for (int j = i + 1; j < events.length; j++) {
                assertNotEquals(events[i].getValue(), events[j].getValue(),
                        "Event types " + events[i] + " and " + events[j] + " have the same value");
            }